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Which air purifier speed is best for preventing sickness?

Based on our data, you may be wondering: For cold and flu season, should I opt for an air purifier that works best at removing finer particles at low or high speed? According to Rubin, continuous low-speed operation is better for preventing illness because "it keeps background aerosol concentrations low at all times." Goldberg echoes this, adding that many manufacturers' operation guides recommend a continuous, low-speed mode for optimal performance. "High-speed bursts are only useful in addition to continuous use -- for example, immediately after someone coughs, sneezes or leaves the room --

To Avoid Getting Sick, Our Lab Data Shows You Need This Air Purifier Model
What about fast-charging Chinese phones?

While wireless charging has largely standardized on Qi, Qi2 and Qi2.2, several phones tout even faster wireless charging speeds. The Honor Magic 8 Pro, which isn't available in the US, uses its own standard for an 80-watt wireless charging speed and recharged by 61% in our test -- easily one of the fastest we've seen.  The issue is whether you can even find an adapter that supports them. For phones like the OnePlus 15, its faster wireless charging speed relies on the proprietary AirVooc system. This means you have to buy a specific wireless charger from OnePlus to take advantage of its 50-watt

We Tested 33 New Phones to See Which Charge Fastest and Crown 2 Winners